21.84% is the change from 348 to 424
Calculation steps:
[( 424 - 348 ) ÷ 348] x 100 = 21.84%
Formula
Percentage change = [(424 - 348) / 348] x 100
Subtract the new number by the original number
424 - 348 = 76
76 ÷ 348 = 0.21839080459770116
0.21839080459770116 x 100 = 21.84%